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Finding the Fourth Proportional to 117,723.80, 176,585.70 and 117,723.80

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Solution

The fourth proportional to 117,723.80, 176,585.70 and 117,723.80 is: 176,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,723.80 : 176,585.70 = 117,723.80 : x
  2. Step 2: Convert to fraction form
    117,723.80/176,585.70 = 117,723.80/x
  3. Step 3: Cross multiply
    117,723.80x = 176,585.70 × 117,723.80
  4. Step 4: Simplify right side
    117,723.80x = 20,788,339,629.66
  5. Step 5: Solve for x
    x = 20,788,339,629.66/117,723.80
  6. Step 6: Final answer
    x = 176,585.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.